It may be just a simple adjustment, but requires special tools to perform. Try taking it to a test and repair smog shop, ask if they can perform an ignition timing reset and then have the smog check performed again. You may need to take it to a test only station to have the test performed though.
Try looking here for a shop: http://repairpal.com/directory?distance=10&sort_by=relevance&address=94591&car_brand_names=Dodge